/* eslint-disable */

export default {
  bind(el, binding) {
    el.addEventListener(
      'click',
      e => {
        const customOpts = Object.assign({}, binding.value);
        const opts = Object.assign(
          {
            ele: el, // 波纹作用元素
            type: 'hit', // hit点击位置扩散center中心点扩展
            color: 'rgba(0, 0, 0, 0.15)' // 波纹颜色
          },
          customOpts
        );
        const target = opts.ele;
        if (target) {
          target.style.position = 'relative';
          target.style.overflow = 'hidden';
          const rect = target.getBoundingClientRect();
          let ripple = target.querySelector('.gc-waves');
          if (!ripple) {
            ripple = document.createElement('span');
            ripple.className = 'gc-waves';
            ripple.style.height = ripple.style.width = Math.max(rect.width, rect.height) + 'px';
            target.appendChild(ripple);
          } else {
            ripple.className = 'gc-waves';
          }
          switch (opts.type) {
            case 'center':
              ripple.style.top = rect.height / 2 - ripple.offsetHeight / 2 + 'px';
              ripple.style.left = rect.width / 2 - ripple.offsetWidth / 2 + 'px';
              break;
            default:
              ripple.style.top =
                e.pageY - rect.top - ripple.offsetHeight / 2 - document.body.scrollTop + 'px';
              ripple.style.left =
                e.pageX - rect.left - ripple.offsetWidth / 2 - document.body.scrollLeft + 'px';
          }
          ripple.style.backgroundColor = opts.color;
          ripple.className = 'gc-waves is-active';
          return false;
        }
      },
      false
    );
  }
};
